In this study, the effects of commercially available entomopathogens, Nibortem (Verticillium lecani), Met52 (Metarhizium anisopliae), Nostalgist (Beauveria bassiana) and Priority (Paecilomyces fumosoroseus), a herbal insecticide, Nimbecidine (Azadirachtin), on pest aphids, Aphis fabae Acyrthosiphon pisum, were investigated. The corrected mortalities they caused to A. 78.41%, 87.50%, 65.91%, 63....